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2. 发明授权

US4016510A Broadband two-port isolator 失效
标题翻译：宽带双端口隔离器
公开(公告)号：US4016510A
公开(公告)日：1977-04-05
申请号：US682686
申请日：1976-05-03
申请人： Eugene Walton Hodges, III , Francis Robert Steel , Ralph Thomas Enderby
发明人： Eugene Walton Hodges, III , Francis Robert Steel , Ralph Thomas Enderby
IPC分类号： H01P1/365 , H01P1/36 , H01P1/383
CPC分类号： H01P1/36
摘要： A non-reciprocal signal path for RF over a broadband frequency range is provided by an isolator comprising two coils or meshes positioned at 90.degree. to each other adjacent at least one gyromagnetic or ferrite disc which is magnetically biased by a static magnetic field. Each coil is tuned by a parallel capacitor, each coil and capacitor having one end grounded to a surrounding electromagnetic shield. A resistive unilateralizing element is coupled between the input and output terminals and, being essentially non-reactive, provides the broadband characteristic. The energy from the reverse direction is dissipated externally in the resistive element. A magnetic return path of a high permeability material allows the use of smaller biasing magnets and reduces the effects of external magnetic fields.
摘要翻译：用于RF在宽带频率范围内的不可逆信号路径由隔离器提供，隔离器包括彼此相邻的两个线圈或网格，邻近至少一个由静态磁场磁偏置的回旋磁铁或铁氧体磁盘。每个线圈由并联电容器调谐，每个线圈和电容器的一端接地到周围的电磁屏蔽。电阻单向元件耦合在输入和输出端子之间，并且基本上是非反应的，提供宽带特性。来自反方向的能量在电阻元件外部消散。高磁导率材料的磁返回路径允许使用较小的偏置磁体并减少外部磁场的影响。

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